单词 | Porton Down |
释义 | Porton Down From Longman Dictionary of Contemporary EnglishPorton DownPor‧ton Down /ˌpɔːtn ˈdaʊn $ ˌpɔːr-/a place in the south of England where there is a government laboratory used for studying chemical weapons and biological weapons (=weapons that use bacteria to kill people by giving them diseases) |
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